F25B 2313/0254
In series arrangements
Official title: in series arrangements
F25B2313/0254 (In series arrangements) appears on 97 US grants and 107 published applications in this corpus.
Search patents in F25B- Granted patents
- 97
- Published applications
- 107
- Assignees
- 44
- Inventors
- 260
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 1 | 3 |
| 2006 | 1 | 4 |
| 2007 | 6 | 1 |
| 2008 | 0 | 3 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 3 |
| 2015 | 2 | 11 |
| 2016 | 0 | 7 |
| 2017 | 6 | 3 |
| 2018 | 9 | 3 |
| 2019 | 5 | 9 |
| 2020 | 6 | 9 |
| 2021 | 7 | 12 |
| 2022 | 10 | 7 |
| 2023 | 4 | 8 |
| 2024 | 10 | 11 |
| 2025 | 8 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Refrigeration cycle device for vehicle18 Nov 2025US 12,472,800 B2Daikin Industries, Ltd.
- Refrigerant-containing composition, use of same, refrigerator having same, operation method for said refrigerator, and refrigeration cycle device equipped with same14 Oct 2025US 12,441,922 B2Daikin Industries, Ltd.
- Heat pump14 Oct 2025US 12,442,572 B2Yanmar Power Technology Co., Ltd.
- Heat pump23 Sep 2025US 12,422,170 B2LG Electronics Inc.
- Air conditioning apparatus26 Aug 2025US 12,398,911 B2Carrier Japan Corporation
- Refrigeration apparatus30 Apr 2026US 2026/0118017 A1Daikin Industries, Ltd.
- Heat source unit and refrigeration apparatus30 Apr 2026US 2026/0118040 A1Daikin Industries, Ltd.
- Systems and methods for heat pump systems2 Oct 2025US 2025/0305741 A1Daikin Comfort Technologies Manufacturing, L.P.
- Air Conditioning and Heat Pump System with Energy Efficient Heat Exchanger3 Oct 2024US 2024/0328686 A1
- Heat source unit and air-conditioning device4 Jul 2024US 2024/0219058 A1Daikin Industries, Ltd.
Most cited
By later US patents
- Geothermal heat pump system116US 5,758,514 AEnvirotherm Heating & Cooling Systems, Inc. · 1998
- Heat pump including auxiliary outdoor heat exchanger acting as defroster and sub-cooler88US 4,171,622 AMatsushita Electric Industrial Co., Ltd. · 1979
- Auxiliary coil arrangement43US 4,173,865 AGeneral Electric Company · 1979
- Air conditioning system31US 4,066,118 A1978
- Multipurpose air conditioning apparatus27US 6,385,983 B12002